[xen staging-4.15] Update Xen version to 4.15.7

[patchbot@xxxxxxx]

commit 543bbddf79f105682904c3b5a09c5a1692ae4b15
Author:     Julien Grall <jgrall@xxxxxxxxxx>
AuthorDate: Fri May 3 10:21:11 2024 +0100
Commit:     Julien Grall <jgrall@xxxxxxxxxx>
CommitDate: Fri May 3 10:21:11 2024 +0100

    Update Xen version to 4.15.7
    
    Signed-off-by: Julien Grall <jgrall@xxxxxxxxxx>
---
 xen/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/Makefile b/xen/Makefile
index 2cd249c308..7ad7167746 100644
--- a/xen/Makefile
+++ b/xen/Makefile
@@ -2,7 +2,7 @@
 # All other places this is stored (eg. compile.h) should be autogenerated.
 export XEN_VERSION       = 4
 export XEN_SUBVERSION    = 15
-export XEN_EXTRAVERSION ?= .6$(XEN_VENDORVERSION)
+export XEN_EXTRAVERSION ?= .7$(XEN_VENDORVERSION)
 export XEN_FULLVERSION   = $(XEN_VERSION).$(XEN_SUBVERSION)$(XEN_EXTRAVERSION)
 -include xen-version
 
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generated by git-patchbot for /home/xen/git/xen.git#staging-4.15